Generally speaking, in addition to the WAN port connected to the external network and the LAN port connected to the computer, there is also a USB connector interface on the smart router device. Generally speaking, the USB interface is the interface with the highest frequency of use of the mobile phone and the computer, and it can realize various kinds. A variety of features, so when choosing a smart router, the brand, design, function and even the USB interface are all points of purchase to consider.
After years of development, the latest USB interface on the market is 3.1, and the high-end smart router is usually equipped with a 3.0USB interface. The router with a price of about 100 yuan mainly uses the USB2.0 standard interface. In theory, the maximum transmission data of USB2.0 is 480M per second, while the theoretical maximum speed of USB3.0 is up to 5G per second, so the transmission speed of USB3.0 interface and the transmission speed of using USB2.0 interface are the days. Don't be bad. Transferring files using USB3.0 will save us a lot of time, so the hardware main body, operating system and external devices can be operated through a small USB interface.